EBK ESSENTIALS OF GENETICS
9th Edition
ISBN: 8220102741614
Author: Palladino
Publisher: YUZU
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Chapter 13, Problem 8PDQ
Each transfer RNA requires at least four specific recognition sites that must be inherent in its tertiary protein structure in order for it to carry out its role. What are these sites?
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Each transfer RNA requires at least four specific recognition sitesthat must be inherent in its tertiary protein structure in order forit to carry out its role. What are these sites?
Which RNA conformation favors translation—the form with the Shine-Dalgarno antisequestor or the form in which the Shine-Dalgarno sequence is within a stem-loop?
Why are transfer RNAs important in translation? Dogenes for tRNAs have promoters, and are tRNAstranslated? What are aminoacyl-tRNA synthetases, whatare their substrates, and what do they do?
Chapter 13 Solutions
EBK ESSENTIALS OF GENETICS
Ch. 13 - CASE STUDY | Crippled ribosomes Diamond Blackfan...Ch. 13 - CASE STUDY | Crippled ribosomes Diamond Blackfan...Ch. 13 - Prob. 3CSCh. 13 -
HOW DO WE KNOW?
1. In this chapter, we focused on...Ch. 13 - Review the Chapter Concepts list on p. 238. These...Ch. 13 - List and describe the role of all molecular...Ch. 13 - Contrast the roles of tRNA and mRNA during...Ch. 13 - Francis Crick proposed the adaptor hypothesis for...Ch. 13 -
6. During translation, what molecule bears the...Ch. 13 - Summarize the steps involved in charging tRNAs...
Ch. 13 - Each transfer RNA requires at least four specific...Ch. 13 -
9. Explain why the one-gene:one-enzyme hypothesis...Ch. 13 - Prob. 10PDQCh. 13 - Prob. 11PDQCh. 13 - Prob. 12PDQCh. 13 - Assuming that each nucleotide is 0.34 nm long in...Ch. 13 - Review the concept of colinearity in Section 12.5...Ch. 13 -
15. In your opinion, which of the four levels of...Ch. 13 -
16. List and describe the function of as many...Ch. 13 - How does an enzyme function? Why are enzymes...Ch. 13 -
18. Shown in the following table are several...Ch. 13 -
19. Three independently assorting genes are known...Ch. 13 -
20. How would the results in cross (a) of Problem...Ch. 13 - A series of mutations in the bacterium Salmonella...Ch. 13 -
22. The emergence of antibiotic-resistant strains...
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- In eukaryotic cells, mRNAs have been found to have a circular arrangement in which proteins hold the poly-A tail near the 5’ cap. How might this increase translation efficiency?arrow_forwardIn the tertiary structure of tRNA, where is the anticodon region relative to the attachment site for the amino acid? Are these located adjacent to each other?arrow_forwardThe difference between prokaryotic and eukaryotic protein initiation is that eukaryotes' initiator methionyl-tRNA is a substratefor the formyl transferase enzyme but not the methionine within the protein. Is this true or false?arrow_forward
- Transfer RNA molecules are quite large, given that the anticodon consists of only three nucleotides. What is the purpose of the rest of the tRNA molecule?arrow_forwardWhat features of tRNA structure are involved in recognition and amino acylation by an aaRS?arrow_forwardThe wobble rules for tRNA-mRNA pairing are shown. If we assume that the tRNAs do not containmodified bases, what is the minimum number of tRNAs needed to recognize the codons for the following types of amino acids? A. Leucine B. Methionine C. Serinearrow_forward
- The mRNA formed from the repeating tetranucleotide UUACincorporates only three amino acids, but the use of UAUC incorporates four amino acids. Why?arrow_forwardAssuming that each nucleotide is 0.34 nm long in mRNA, howmany triplet codes can simultaneously occupy space in a ribosomethat is 20 nm in diameter?arrow_forwardExplain why the translation of a given mRNA can be inhibited by a segment of its complementary sequence, a so-called antisense RNA.arrow_forward
- Explain the function of the Shine-Dalgarno sequence in prokaryotic protein translation. Where is it located?arrow_forwardWhat RNA base sequence is complimentary to the following DNA base sequence 5'-CATGATTAT-3'? Using the table of codons, give the primary structure of the protein coded for by the RNA sequence: 5’-CCA CGA GGG GAG ACU UAA-3’?arrow_forwardThe infectious prion protein which are believed to cause a neurodegenerative disease by acting as a template to misfold other cellular prion proteins are usually β-helices. Is this correct or not?arrow_forward
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